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30706 (4026 T-3)
Classification: Main-belt Asteroid          SPK-ID: 2030706
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749247768496111 3.3873e-08  
a 2.259472018830269 8.6718e-09 au
q 1.864234380138444 7.5916e-08 au
i 8.298054448366294 4.371e-06 deg
node 50.34996687104188 2.5084e-05 deg
peri 296.1482896982028 2.8318e-05 deg
M 277.3595120584981 1.5297e-05 deg
tp 2459485.273288230465
(2021-Sep-27.77328823)
5.3554e-05 TDB
period 1240.534589238345
3.40
7.1417e-06
1.955e-08
d
yr
n .2901974706090463 1.6707e-09 deg/d
Q 2.654709657522094 1.0189e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1183  
   data-arc span      15563 days (42.61 yr)  
   first obs. used      1977-10-11  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52142  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:39:20  

Additional Information
 Earth MOID = .874179 au 
 Jupiter MOID = 2.79493 au 
 T_jup = 3.587 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.01   n/a E2021B10  
diameter diameter 2.384 km 0.278 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.410   0.105 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30706 (4026 T-3)          Discovered 1977-Oct-16 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 4026 T-3 = 2000 HV8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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